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In conclusion, Windows 11 has specific CPU requirements, and AMD processors must meet these requirements to be compatible. The list of compatible AMD CPUs includes Ryzen 5000, 4000, and 3000 series processors, EPYC 7000 series processors, and Threadripper 3000 series processors. If you're unsure about your CPU compatibility, you can check the CPU specifications on the AMD website or use a third-party system information tool.
reg query HKLM\HARDWARE\DESCRIPTION\System\CentralProcessor\0 /v InstructionSet
Here's a list of AMD CPUs that are compatible with Windows 11: windows 11 cpu compatibility list amd
| Family | Reason for exclusion | |--------|----------------------| | (Zen 1) | No POPCNT instruction? No — actually they have POPCNT, but missing SSE 4.2? Wait — they have SSE 4.2. The real reason: Microsoft requires POPCNT and SSE 4.2 (Ryzen 1000 has both). So why unsupported? Arbitrary cutoff — security features like MBEC (Mode-Based Execution Control) are missing. | | Ryzen 2000G (some early Bristol Ridge APUs) | Older Excavator core (pre-Zen) — no MBEC | | AMD FX / A-Series (Bulldozer) | No SSE 4.2, no POPCNT? Actually FX has POPCNT but no MBEC, no TPM 2.0 support without add-on module. | | Opteron / Athlon 64 X2 | No POPCNT, no SSE 4.2 |
The following popular AMD CPUs are officially supported by Microsoft for Windows 11, though they are still widely used: In conclusion, Windows 11 has specific CPU requirements,
| Family | Generation | Architecture | Examples | |--------|------------|--------------|----------| | (except some Athlon) | 2nd Gen | Zen+ | Ryzen 3 2200G, Ryzen 5 2600, Ryzen 7 2700X | | Ryzen 3000 | 3rd Gen | Zen 2 | Ryzen 3 3100, Ryzen 5 3600, Ryzen 7 3700X, Ryzen 9 3950X | | Ryzen 4000 (mobile/APU) | 3rd Gen | Zen 2 | Ryzen 5 4500U, Ryzen 7 4700U | | Ryzen 5000 | 4th Gen | Zen 3 | Ryzen 5 5600X, Ryzen 7 5800X, Ryzen 9 5950X | | Ryzen 6000 (mobile) | 5th Gen | Zen 3+ | Ryzen 5 6600H, Ryzen 7 6800U | | Ryzen 7000 | 6th Gen | Zen 4 | Ryzen 5 7600X, Ryzen 7 7700X, Ryzen 9 7950X | | Ryzen 8000G (APU) | 7th Gen | Zen 4 | Ryzen 5 8500G, Ryzen 7 8700G | | Ryzen 9000 | 8th Gen | Zen 5 | Ryzen 5 9600X, Ryzen 9 9950X (support via update) | | Threadripper 3000/5000/7000 | — | Zen 2/3/4 | 3960X, 5975WX, 7970X | | EPYC 7002/7003/9004 | — | Zen 2/3/4 | (Server, but supports Win11) |
Microsoft cites security reasons (lack of TPM 2.0 support and newer Virtualization-Based Security features) and driver stability for older architectures. The real reason: Microsoft requires POPCNT and SSE 4
Microsoft officially supports Windows 11 only on AMD processors starting with the architecture (Ryzen 2000 series) and newer.
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